                                      :cat :verb
                                      :sem {:aspect :perfect
                                            :tense :past}}})
-                   (unifyc c10
+                   (unify-check c10
                            root-is-head
                            {:head {:phrasal false ;; non-auxiliary past: e.g. "he slept"
                                    :synsem {:aux false}}

                                              :sem head-sem}}
                              :rule "nbar"}))

                   (unifyc c10
                           comp-specs-head
                           (let [number-agreement (atom :top)
                                 propernoun (atom :top)]

                                             :mod '()}}
                              :head {:phrasal false
                                     :synsem {:propernoun propernoun}}}))
                   (unify-check c10
                           comp-specs-head
                           (let [number-agreement (atom :top)
                                 propernoun (atom :top)]
